subtraction/basic/medium · セット 46
20 problems
名前：
クラス:
日付：
1
8 - 4
=
2
3 - 1
=
3
7 - 2
=
4
2 - 1
=
5
9 - 8
=
6
3 - 2
=
7
7 - 6
=
8
4 - 3
=
9
10 - 9
=
10
10 - 6
=
11
7 - 5
=
12
10 - 7
=
13
5 - 2
=
14
10 - 8
=
15
4 - 1
=
16
4 - 2
=
17
10 - 5
=
18
8 - 7
=
19
6 - 5
=
20
5 - 4
=